package org.devf.fork.imsimulator.socket.handler.listener;

import org.devf.fork.imsimulator.service.vo.UserExtendModel;

/**
 * FriendStateListener related
 *
 * @author wanghuafu
 * @since 0.1 2023/9/16
 */
public interface FriendStateListener extends HandlerListener{

    void friendOnline(UserExtendModel friend);

}
